Variability Gauge Charts

Evaluate a Continuous Measurement Process Using Gauge R&R

Variability gauge charts analyze continuous measurements and can reveal how your measurement system is performing. You can also perform a gauge study to see measures of variation in your data.

Tip: This chapter covers only variability charts. For more information about attribute charts, see Attribute Gauge Charts.

Figure 5.1 Example of a Variability Chart 

Contents

Overview of Variability Charts

Example of a Variability Chart

Launch the Variability/Attribute Gauge Chart Platform

Data Format

The Variability Gauge Chart

Variability Gauge Platform Options

Heterogeneity of Variance Tests

Variance Components

About the Gauge R&R Method

Gauge R&R Option

Discrimination Ratio

Misclassification Probabilities

Bias Report

Linearity Study

Additional Examples of Variability Charts

Example of the Heterogeneity of Variance Test

Example of the Bias Report Option

Statistical Details for Variability Charts

Statistical Details for Variance Components

Statistical Details for the Discrimination Ratio